azon_seeker/webext-bridge/src/devtools.ts

import browser from 'webextension-polyfill';
import { createEndpointRuntime } from './internal/endpoint-runtime';
import { createStreamWirings } from './internal/stream';
import { createPersistentPort } from './internal/persistent-port';

const port = createPersistentPort(`devtools@${browser.devtools.inspectedWindow.tabId}`);
const endpointRuntime = createEndpointRuntime('devtools', (message) => port.postMessage(message));

port.onMessage(endpointRuntime.handleMessage);

export const { sendMessage, onMessage } = endpointRuntime;
export const { openStream, onOpenStreamChannel } = createStreamWirings(endpointRuntime);